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发表于 2007-12-18 13:47:22
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来自: 中国安徽芜湖
见ASTM A656 A656M-2003 Standard Specification for Hot-Rolled Structural Steel...ASTM A656 A656M-2003- L8 G' V7 W3 V4 _
Standard Specification for Hot-Rolled Structural Steel, High-Strength Low-Alloy Plate with Improved Formability: r- p2 L& Q+ r S- n
http://www.3dportal.cn/discuz/viewthread.php?tid=272547&highlight=ASTM%2BA%2B656中:
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实际材料:A 656 Type 3 Grade 550 % p5 a# b" Q$ ~0 s1 z' `% u, B
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+ j% }: Y$ W3 v7 i8 y化学成分 (%)
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' _7 b' s1 a7 J& O+ ?& o| 元素 | 最小 | 最大 | 近似的 | | C |
! t. I8 W7 ^2 b, |5 M2 J | 0.1800 | 7 A( {0 v2 G: }" g: R/ u
| | Si |
1 I6 T& c9 X' p9 n9 C$ v | 0.6000 |
8 Y( s, I/ f# b6 V5 ^: w4 M5 l, z | | Mn |
& g. q* m6 [) g; n | 1.6500 |
" ~; M. p# _7 a+ L( b | | P | 5 w+ ~2 C# J r' o
| 0.0250 | ( z7 W# d4 |7 f: l: \
| | S |
- d. S+ H. v e+ A1 |' E | 0.0350 |
4 A0 l- @# r+ p4 i! z | | V |
7 h8 E5 ]$ y* s9 E; V q | 0.0800 |
9 V' K0 T9 ]6 P1 F$ P# j5 _4 N | | Nb | 0.0080 | 0.1000 | $ Z5 Q. |1 D9 ^
| | N | ( a3 X5 B7 @# k. p
| 0.0200 |
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材料属性
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| | 最小 | 最大 | 近似的 | | 厚板; 轧制; t <= 20 mm | | 屈服强度 Rp0,2 (MPa) | 550 | - | - | | 抗拉强度 Rm (MPa) | 620 | - | - | | 伸长率 A5 (%) | 15.0 | - | - |
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